// Copyright (C) 2016 Jordan Harband. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: Object.getOwnPropertyDescriptors should filter out undefined OwnPropertyDescriptors
esid: sec-object.getownpropertydescriptors
author: Jordan Harband
features: [Proxy]
includes: [proxyTrapsHelper.js]
---*/

function Test() {
    var key = "a";
    var ownKeys = [key];
    var badProxyHandlers = allowProxyTraps({
      getOwnPropertyDescriptor: function() {},
      ownKeys: function() {
        return ownKeys;
      }
    });
    var proxy = new Proxy({}, badProxyHandlers);

    var keys = Reflect.ownKeys(proxy);
    assert.notSameValue(keys, ownKeys, 'Object.keys returns a new Array');
    assert.sameValue(Array.isArray(keys), true, 'Object.keys returns an Array');
    assert.sameValue(keys.length, ownKeys.length, 'keys and ownKeys have the same length');
    assert.sameValue(keys[0], ownKeys[0], 'keys and ownKeys have the same contents');

    var descriptor = Object.getOwnPropertyDescriptor(proxy, key);
    assert.sameValue(descriptor, undefined, "Descriptor matches result of [[GetOwnPropertyDescriptor]] trap");

    var result = Object.getOwnPropertyDescriptors(proxy);
    assert.sameValue(key in result, false, "key is not present in result");
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
